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Tests have been performed on the droppings for two years to track levels of stress hormones in the bears as they adjust to life at the zoo, CBC News says.

The zoo is home to the Leatherdale International Polar Bear Conservation Centre, which focuses on polar bear transition, research and education.

The glitter diet isn't a new technique for animals in captivity -- a 2002 study discusses glitter being fed to domestic cats for the same reason. Still, it's hard not to be a fan of turning plain old poop into something that shimmers. And they said only unicorns pooped rainbows.